Technology

Unique passwords, multi-factor authentication, passkeys and a sharp eye for phishing are the four habits that keep your email, bank and social accounts out of the wrong hands.

Pick one ecosystem, start with a plug, bulb or thermostat, and secure your router and accounts first. Here is how beginners can build a smart home that is useful, private and safe.

Restart, update, trim startup apps, free up storage and scan for malware. These free fixes speed up most sluggish Windows and Mac laptops before you consider new hardware.